Difference between M4TC and M4SC exhausts

[UNtamed67]

Does anyone know the difference between Borla Sport racing exhaust

M-5230-M4TC (Touring) and M-5230-M4SC (Sport).

Is it just a difference in sound ?
If so, what's the approximate dB difference ?

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[DanFish]

Yes there is a difference in sound. You just have look up the different videos. Plenty floating around the forums. I don't know about db difference.